Set Notations
1) Write the following in roster form: A = { x : x is an integer and -4 < x < 6}
2) Write the following {x : x=2 to the power of n, n is natural number less than 6} in roster form.
3) List all the element of the following set: B = {x : x is an integer, -12 < x < 92}
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Answer:
builder form: (i) (-3, 0) (ii) [6 , 12] (iii) (6, 12] (iv)...
Question:
Write the following intervals in set-builder form:
(i)
(
−
3
,
0
)
(ii)
[
6
,
12
]
(iii)
(
6
,
12
]
(iv)
[
23
,
5
)
Set-Builder Form:
A Set-Builder Form is one way of writing a solution set of an equation. It includes the variable, the interval of the solution set, and the type of number involved. For example,
{
x
:
x
ϵ
R
,
x
>
1
}
which is read as, the set of all
x
that are a member of the Real
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